Petersburg Borough

Ecosystem Overview

The Petersburg Borough ecosystem supports 74 documented wildlife species across 64 taxonomic genera. Located in Petersburg Borough, Alaska, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Coronation Island Wilderness, Petersburg Borough hosts 1133% more species diversity. This location ranks #44 for species diversity among 100 Petersburg Borough County natural areas, placing it in the 56th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#44

Regional Rank

Out of 100 locations

Species Distribution

Very Common15 species

Common23 species

Occasional22 species

Rare14 species

Regional Context

Regional Ranking

#44 of 100 locations

56th percentile for diversity

vs. Coronation Island Wilderness

+1133% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 74 total documented species.

Megaptera novaeangliae

Hump

Very Common1,546.23 obs.

Orcinus orca

Orca

Very Common91.28 obs.

Fulmarus glacialis

Fulmar

Very Common10.18 obs.

Larus glaucescens

Glaucous-Winged Gull

Very Common9.67 obs.

Evasterias troschelii

Very Common9 obs.

Pycnopodia helianthoides

Rag Mop

Common8.53 obs.

Drosera anglica

Great Sundew

Common8 obs.

Drosera rotundifolia

Dew-Plant

Common8 obs.

Menyanthes trifoliata

Bogbean

Common6 obs.

Urticina grebelnyi

Common5 obs.

Kalmia microphylla

Bog-Laurel

Common5 obs.

Phoebastria nigripes

Black-Footed Albatross

Occasional4.7 obs.

Metridium farcimen

Gigantic Anemone

Occasional4 obs.

Clangula hyemalis

Oldsquaw

Occasional3 obs.

Oregonia gracilis

Occasional3 obs.

Cyanea ferruginea

Occasional3 obs.

Rubus chamaemorus

Bakeapple

Occasional3 obs.

Coptis trifolia

Savoyana

Rare3 obs.

Rhododendron groenlandicum

Labrador Tea

Rare3 obs.

Crossaster papposus

Sunstar

Rare3 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

+111%

vs. Regional Average

Compared to 8 nearby locations in Petersburg Borough County, Alaska

Nearby Natural Areas

Petersburg Creek-duncan Salt Chuck Wilderness

Importance: 0.70

80 species

-7% vs. current

Kupreanof

Importance: 0.70

74 species

0% vs. current

Kake

Importance: 0.70

25 species

+196% vs. current

Tebenkof Bay Wilderness

Importance: 0.70

6 species

+1133% vs. current

Coronation Island Wilderness

Importance: 0.70

6 species

+1133% vs. current

Kuiu Wilderness

Importance: 0.70

5 species

+1380% vs. current

Port Alexander

Importance: 0.70

5 species

+1380% vs. current

Petersburg James A. Johnson Airport

Importance: 0.60

80 species

-7% vs. current

About This Comparison

These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Petersburg Borough County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Most Common Species

Showing 20 most frequently observed species out of 74 total documented species.

Megaptera novaeangliae

Hump

Very Common1,546.23 obs.

Orcinus orca

Orca

Very Common91.28 obs.

Fulmarus glacialis

Fulmar

Very Common10.18 obs.

Larus glaucescens

Glaucous-Winged Gull

Very Common9.67 obs.

Evasterias troschelii

Very Common9 obs.

Pycnopodia helianthoides

Rag Mop

Common8.53 obs.

Drosera anglica

Great Sundew

Common8 obs.

Drosera rotundifolia

Dew-Plant

Common8 obs.

Menyanthes trifoliata

Bogbean

Common6 obs.

Urticina grebelnyi

Common5 obs.

Kalmia microphylla

Bog-Laurel

Common5 obs.

Phoebastria nigripes

Black-Footed Albatross

Occasional4.7 obs.

Metridium farcimen

Gigantic Anemone

Occasional4 obs.

Clangula hyemalis

Oldsquaw

Occasional3 obs.

Oregonia gracilis

Occasional3 obs.

Cyanea ferruginea

Occasional3 obs.

Rubus chamaemorus

Bakeapple

Occasional3 obs.

Coptis trifolia

Savoyana

Rare3 obs.

Rhododendron groenlandicum

Labrador Tea

Rare3 obs.

Crossaster papposus

Sunstar

Rare3 obs.

Want the Complete Field Guide?

Get all 74 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.

Regional Comparison

Regional Ranking

Species Count

+111%

vs. Regional Average

Compared to 8 nearby locations in Petersburg Borough County, Alaska

Nearby Natural Areas

Petersburg Creek-duncan Salt Chuck Wilderness

Importance: 0.70

80 species

-7% vs. current

Kupreanof

Importance: 0.70

74 species

0% vs. current

Kake

Importance: 0.70

25 species

+196% vs. current

Tebenkof Bay Wilderness

Importance: 0.70

6 species

+1133% vs. current

Coronation Island Wilderness

Importance: 0.70

6 species

+1133% vs. current

Kuiu Wilderness

Importance: 0.70

5 species

+1380% vs. current

Port Alexander

Importance: 0.70

5 species

+1380% vs. current

Petersburg James A. Johnson Airport

Importance: 0.60

80 species

-7% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#44

Regional Rank

Out of 100 locations

Species Distribution

Very Common15 species

Common23 species

Occasional22 species

Rare14 species

Regional Context

Regional Ranking

#44 of 100 locations

56th percentile for diversity

vs. Coronation Island Wilderness

+1133% species diversity